With the Breakers: In 2014, Sierra appeared in 11 games (nine starts) ... Tallied one assist in 798 minutes ... Her assist came on Aug. 3, 2014, in a 4-3 loss at home to the Western New York Flash.

With the Spirit: Prior to joining the Breakers, Sierra appeared in nine games with five starts in 520 minutes.

International: A member of the Mexican Women’s National team system since 2009 at the U-20 level ... In 2010, played in the U-20 CONCACAF Championships in Guatemala, helping Mexico qualify for the 2010 FIFA U-20 Women's World Cup in Germany ... Mexico advanced to the quarterfinals at the World Cup, becoming the first Mexican National Women's Team of any age group to advance out of pool play ... Played 261 minutes, fourth-most of any defender ... In January 2012, selected to play for the senior Mexican National team that competed at the CONCACAF Women's Olympic Qualifying Tournament in Vancouver, B.C. ... At qualifiers, Mexico finished second in the group stage and advanced to the semifinals ... In August 2012, competed with Mexico in the FIFA U-20 Women's World Cup in Miyagi, Japan ... Advanced to the quarterfinals ... Played in all four matches.

College: Throughout her college career at Auburn University (2010-2013), Sierra played in 85 matches, starting in 66 ... Scored five goals as a defender and tallied seven assists ... Recorded a total of 6,457 minutes.

Scholastic/Club: Played for the Mustang Spirit ... Team was ranked 27th nationally by Soccer America in the 2009 Best Girls Clubs ... 2009 Mustang Stampede Finalist ... 2009 Far West Fall Regional League runner-up ... 2009 Northern California State Cup semi-finalist and 2008 finalist ... Las Vegas Showcase Finalist in 2007 ... Played with the Pleasanton Rage Club from 2006-08 ... Played for Granada High School in Livermore, Calif. ... scored five goals in both her junior and sophomore seasons after collecting seven as a freshman ... Began her career as a forward, moved to the midfield as a sophomore and a center back as a junior ... Has 18 career assists ... Also swam for two years.

Personal: Daughter of Alberto and Rosa Sierra ... Has a brother, Christian ... Uncle, Alexandro Garcia, played on the semi-pro level with the Pumas second team in Mexico and coached the second team in the 1970s ... Majored in Physical Activity and Health.